本电源系列是铁路信号电源屏给继电器、ZPW-2000A站内电码化、区间移频轨道设备、区间闭塞、直流转辙机提供DC稳压电源的配电单元，模块采用
“N+1”或“N+M”并联均流冗余备用工作方式的电源。型号有：DC24V/50A、DC24V/65A DC24V/30A、DC48V/50A、DC24～60V/2A、DC24～120V/2A、DC220V/16A
等多种。

   This power supply series is used in railway signal power supply panel to provide DCregulated power supply for relay, in-station coding device ZPW-2000A ,section frequency-shift track equipment, section block, and DC switch machine. The power module adopts “N +1” or “N + M” parallel current-sharing redundant standby mode for power supply. The models includes DC24V/50A, DC24V/65A, DC24V/30A, DC48V/50A, DC24～60V/2A, DC24～120V/2A, and DC220V/16A.